| Giffnock to Monticello (Minnesota) | 3,713.66 mi (5,976.57 km) |
| Giffnock to Montrose (Colorado) | 4,540.16 mi (7,306.67 km) |
| Giffnock to Moody (Alabama) | 4,047.86 mi (6,514.40 km) |
| Giffnock to Moore (Oklahoma) | 4,357.88 mi (7,013.32 km) |
| Giffnock to Moorestown-Lenola (New Jersey) | 3,291.14 mi (5,296.59 km) |
| Giffnock to Mooresville (North Carolina) | 3,731.15 mi (6,004.71 km) |
| Giffnock to Moorhead (Minnesota) | 3,733.99 mi (6,009.28 km) |
| Giffnock to Moorpark (California) | 5,124.69 mi (8,247.39 km) |
| Giffnock to Moraga (California) | 5,011.05 mi (8,064.50 km) |
| Giffnock to Moreno Valley (California) | 5,094.59 mi (8,198.95 km) |
| Giffnock to Morgan City (Louisiana) | 4,431.17 mi (7,131.28 km) |
| Giffnock to Morgan Hill (California) | 5,039.24 mi (8,109.87 km) |
| Giffnock to Morganton (North Carolina) | 3,756.31 mi (6,045.20 km) |
| Giffnock to Morgantown (West Virginia) | 3,495.19 mi (5,624.97 km) |
| Giffnock to Morris (Illinois) | 3,721.13 mi (5,988.58 km) |
